Grotzinger, J., & Jordan, T. H. (2010). Understanding Earth (6a. ed.). W.H. Freeman and Company.
Chicago Style (17th ed.) CitationGrotzinger, John, and Thomas H. Jordan. Understanding Earth. 6a. ed. Nueva York: W.H. Freeman and Company, 2010.
MLA citiranjeGrotzinger, John, and Thomas H. Jordan. Understanding Earth. 6a. ed. W.H. Freeman and Company, 2010.
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